Help solving Keeping all the logs

Hi,
I am stuck at this LFI (probably) challenge at biplobi

https://biplobi.com/ctf/view/27

Till now I have achieved phpinfo();
but not sure how to reach the flag. can you please suggest anything?

I think I just crashed there server :frowning:

Where, everything looks fine to me.

Oh the process timed out… xD